Proceedings: The study included 30 students from 2nd and 30 from 4th grade of a public school at Sao Paulo. The participants' ages ranged from 7 years and 8 months to 9 years and 3 months in the 2nd grade, and 9 years and 9 months to 11 years and one month in the 4th grade. The groups were matched for the genre.